Boston Round Amber Glass Bottles Brand New 250ml Glass Large Mouth Bottle with new metal cap with a pulp/poly liner. The pulp/poly liner is a good liner type for chemical resistance, mild acids, alkali, solvents, alcohols, oils, and aqueous products. Note! I also use a layer of Saran wrap with all my bottles/chemicals for an extra margin of protection. I purchased a bunch of these 250ml Amber Glass Large Mouth Bottle to be able to mix up Xtol (20 bottles) or D76 (16 bottles) and store in smaller bottles with no air so it would last longer. Then I could use one shot or 1:1. $1 each plus shipping. PayPal or check. 12 will fit in the medium or regular Flat Rate Box $10.70 16 will fit in the large flat rate box, $14.50 PayPal or check.